CVE-2026-66704 HIGH

CVE-2026-66704: WordPress Gutenverse Companion plugin <= 2.5.1 - Server Side Request Forgery (SSRF) vulnerability

Vendor Jegstudio

Product Gutenverse Companion

Weakness CWE-918 · SSRF

Published August 13, 2026

Last update August 13, 2026

View on NVD All CVEs

CVSS base score

7.2/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

Unauthenticated Server Side Request Forgery (SSRF) in Gutenverse Companion <= 2.5.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Gutenverse Companion versions up to 2.5.1 contain a server-side request forgery vulnerability that allows unauthenticated attackers to make the site send HTTP requests to internal or external systems on their behalf. No user interaction is required. The vulnerability can leak sensitive information or modify data on systems the site can reach.

What an attacker can do

03Attacker Capabilities

Make the site send HTTP requests to internal systems or external servers to read data or perform actions.

Potential impact on your site

04Site Impact

Attackers can access internal services, leak sensitive data, or modify resources the site can reach without your knowledge.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 13, 2026 CVE published

August 13, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-66704 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/918.html AskarLabs — CWE-918 write-up Server-Side Request Forgery

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